Posted: 15 Nov 2011 12:00 PM PST

Bering Sea super storm photo set – http://t.co/BVksZuKX #
RT @kevinkrim: A guide to Jack Dorsey's 80-hour workweek http://t.co/6mxgdrXr (very impressive, if it works…time will tell) #
Alan Blinder argues against flat tax in WSJ. I'm assuming an editor will soon be sacked. http://t.co/e7Uc1Kkk #
Sign #3759 that you were off the grid too much lately: Just realized that I haven't checked email in two days. #
Fave moment from my Q&A with Sequoia's Valentine in Palm Desert last week: He asked for hands of people funded by Sequoia, & none went up. #
Dear Twitter-sphere: What is the difference between an "iterative" and a "reiterative" process? #
Trying to watch Roger McNamee's talk on the future of tech. I defy you to do it while seeing his hair. http://t.co/LfHqKDun #
Unnerving data about young people's preferred employers, led by Google and Dept of State – http://t.co/i1j6JOlX #
Here is that same student survey data on preferred employers, but from Europe – http://t.co/6YP5UOhf #
From now I am going to call Roger McNamee the "Tech Whisperer". Why did he whisper his way through his TEDx talk? #
I cannot read LOLR (lender of last resort) without Bored of the Rings flashbacks to Goodgulf Greyteeth, Frito Bugger, et al. #
Tyler Cowen currently debating some cornuccopians – http://t.co/LkLphHLg #
Google has most effective dot-com TV ads this year, while TheLadders and Go Daddy are least – http://t.co/Adlsr1GQ /cc @cenedella #
What I like about Wells Fargo is its steadfast resistance to allowing me to move money between accounts. Righteous. #
I love Wells Fargo even more now that I know it transfers money out to an ACH just so that it can transfer between internal accounts. #
Breathtaking video of starling murmuration. http://t.co/AXTixkP9 #
Lex in the FT over the weekend: "What a pity the world cannot always live in the aggregate." #
IPOs should be easier, but this is flawed logic. http://t.co/p0njetVQ #
2010 renewable energy data book – http://t.co/oxFQpoId /cc @katiefehren #
From a new paper, a list of abnormalities found in endurance athletes' ECGs – http://t.co/gHTZP4YB #
Sad. RT @bryce: I knew Jamie from our time in the Snowbird tramline. great guy, terrible loss. http://t.co/Et3O9xqw (via @TetonGravity) #
The Birth-Death-Mutation Process: A New Paradigm for Fat Tailed Distributions – http://t.co/TZ5WLjZv #
Meant to mention it sooner, but @SteveCase was masterful on entrepreneurship last week at E&Y/Palm Desert. Direct, urgent, & compelling. #
Latest (unhappy) OECD data on startup rates around the world – http://t.co/PaSMCZGk #
BCA: Switch to "buy on weakness" from "sell on strength" – http://t.co/NR4GUIOy #
RT @CMEGroup: Book review from @financialtimes — Currency Wars http://t.co/DYolRTlD $study #
Why Italy needs to fix its labor markets (via JPM) – http://t.co/LJAije6T #
The smart, funny George Bush guy who spoke in Palm Desert should run for president. Too bad he shares a name with Obama's predecessor. #
That Buffett is buying IBM/Intel etc. makes me feel even better about my MSFT short. The sector is late-life value play. #
Give me your tired, your … never-mind. RT @peHUB: Summify CEO: U.S. Immigration Issues Drove Us to Vancouver http://t.co/5EVDB6Fz #
LazyTwitter: WHat's easiest programmatic way to get founding dates for an arbitrary list of companies? #
Best predictor of stock being bought by Warren Buffett? Age: Only 3 of his 10 largest holdings founded in 20th(!) century. #
RT @MarkThoma: "Congress is Indeed Subject to Insider Trading Laws" http://t.co/GtvEXDfl #
Dr. Frederick Frankenstein: [to Inga from behind the bookcase] Put… the candle… back! #
Hate cliched expression "low-hanging fruit". Btw, what is its opposite? Deeply-buried vegetables? #
RT @EddyElfenbein: @pkedrosky Agreed. That cliche needs to be thrown under the bus. #
Hung out on @BloombergTV this afternoon taiking Buffett, why shorting Groupon is costly, etc. #
So, I bleat-tweeted here earlier about Wells Fargo, & some fine gentlemen from there just called. This Twitter thing could be big. #
This is pure @timoreilly: Insightful, surprising, literate and positive. Birth of the global mind – http://t.co/W8sgJnTC #
Incredible shot from photo set on Thailand's slow-moving floods – http://t.co/WD7Ui6kI #
Spoke to Barry Silbert of SecondMarket on weekend. Intrigued by his idea that going public should be a dial, not a switch. #
Wonder which startups' businesses Google smoked today with the Big Query announcement. http://t.co/aOBn9dU1 #
Good FT piece on the dea(r)th of IPOs (other than part where it gets GOOG offering wrong) – http://t.co/k7x5MGbk #
California's tax revenue trailed projections in October for the fourth consecutive month http://t.co/1a559eRm #
CA tax revs highly levered to stock option exercise, so rev gains ahead on LNKD (soon), Zynga etc later. Could shrink deficit quickly. #
Cop1: Wouldn't hold out much hope for the tape deck though. Cop2: Or the Creedence. http://t.co/M51mbDVF #
Comments like on this FT thread show why paywalls don't even slow idiots & trolls down – http://t.co/ue32KERw #
The private and social costs of patent trolls – http://t.co/WpCsx7Rh /via @bfeld #
New paper: Positive _and_ negative news about a company on CNBC makes its stock go up – http://t.co/n53VLNqu #
Putting Alaskan super-storms in context: This one was bad, but not that bad – http://t.co/cZcTWm5G #

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Posted: 15 Nov 2011 11:55 AM PST

I put this together yesterday to satisfy my curiosity: A list of the top dozen Berkshire Hathaway holdings by size, with their founding dates. Turns out one of the better predictors of being a core Warren Buffett holding is being founded in the 19th century. The only 20th century companies are in bold, and IBM took that count from two to three. [-]

Buffett